APA Citatie

Ekelund, R. B. (1990). A history of economic theory and method. New York: McGraw-Hill.

Chicago Style citaat

Ekelund, Robert B. A History of Economic Theory and Method. New York: McGraw-Hill, 1990.

MLA citatie

Ekelund, Robert B. A History of Economic Theory and Method. New York: McGraw-Hill, 1990.

Let op: Deze citaties zijn niet altijd 100% accuraat.